In the global oil, gas, and chemical processing industries, the Ring Type Joint (RTJ) connection stands as the gold standard for high-pressure and high-temperature service. As a premier China RTJ Ball Valve supplier, our facility integrates advanced metallurgy with precision CNC machining to meet the rigorous demands of ASME B16.5 and API 6D standards.
We utilize high-grade forged steels (A105, F22, F316) processed under stringent heat treatment cycles to ensure grain refinement, crucial for preventing hydrogen-induced cracking in sour gas environments.
Our Double Block and Bleed (DBB) design, combined with precision-machined RTJ flanges, creates a metal-to-metal seal that withstands extreme mechanical stress and thermal cycling.
We are currently integrating IIoT sensors into our trunnion-mounted valves to allow real-time predictive maintenance, ensuring that our clients minimize downtime across global pipeline infrastructure.
Purchasing industrial valves from China requires more than just competitive pricing; it requires a deep commitment to international compliance. Our factory serves as a vital node in the global energy supply chain.
Our quality management system is ISO 9001 certified. Each RTJ ball valve undergoes hydrostatic and pneumatic testing in accordance with API 598, ensuring performance reliability before shipment.
We provide comprehensive technical documentation, including MTRs, NDT reports, and heat maps for all pressure-containing components, facilitating smooth customs clearance and site acceptance testing (SAT).
RTJ (Ring Type Joint) flanges provide superior sealing integrity in high-pressure and high-temperature applications compared to raised face flanges. They are specifically designed for critical service where vibration, thermal shock, and high pressure are present.
China has become the global hub for valve manufacturing due to vertical supply chain integration—from raw forging to finished machining. This allows for reduced lead times and cost-effective production without compromising on API, ASME, or ISO standards.
We maintain full material traceability for every heat lot used in our production. Every valve is serialized, and we provide complete Material Test Reports (MTRs) to ensure transparency for critical industrial projects.
Shoulong Valve
